52213252 has 24 divisors (see below), whose sum is σ = 112460096. Its totient is φ = 20655648.

The previous prime is 52213237. The next prime is 52213261. The reversal of 52213252 is 25231225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71358 + ... + 72085.

Almost surely, 2^52213252 is an apocalyptic number.

52213252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52213252 is an abundant number, since it is smaller than the sum of its proper divisors (60246844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52213252 is a wasteful number, since it uses less digits than its factorization.

52213252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143467 (or 143465 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 52213252 is about 7225.8737879927. The cubic root of 52213252 is about 373.7606540514.

Adding to 52213252 its reverse (25231225), we get a palindrome (77444477).

The spelling of 52213252 in words is "fifty-two million, two hundred thirteen thousand, two hundred fifty-two".